Pension obligations (Schedule of changes in fair value of plan assets) - (Details) - Pension obligations [Member] - USD ($) $ in Millions |
12 Months Ended | |
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Dec. 31, 2025 |
Dec. 31, 2024 |
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| Pension Obligations [Line Items] | ||
| Opening fair value of plan assets | $ 94.2 | $ 106.0 |
| Interest income | 4.3 | 4.6 |
| Contributions from the employer | 0.8 | 1.1 |
| Employer direct benefit payments | 0.7 | 1.3 |
| Contributions from plan participants | 0.0 | 0.1 |
| Benefit payment from employer | (0.7) | (1.3) |
| Administrative expenses paid from plan assets | 0.0 | (0.1) |
| Benefits paid | (7.4) | (10.1) |
| Settlement payments from plan assets | 0.0 | 0.0 |
| Return on plan assets (excluding amounts included in net interest expense) | (2.0) | 1.0 |
| Effects of changes in foreign exchange rates | 4.6 | (8.4) |
| Closing fair value of plan assets | $ 94.5 | $ 94.2 |
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- Definition Administrative expenses paid from plan assets No definition available.
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. No definition available.
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- Definition Effects of changes in foreign exchange rates No definition available.
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- Definition Employer direct benefit payments No definition available.
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- Definition Interest income No definition available.
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- Definition Settlement payments from plan assets No definition available.
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- Definition The decrease (increase) in net defined benefit liability (asset) resulting from contributions to a defined benefit plan by the employer. [Refer: Net defined benefit liability (asset); Defined benefit plans [domain]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The decrease (increase) in the net defined benefit liability (asset) resulting from contributions to a defined benefit plan by plan participants. [Refer: Net defined benefit liability (asset); Defined benefit plans [domain]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The decrease (increase) in the net defined benefit liability (asset) resulting from payments from the plan. [Refer: Net defined benefit liability (asset)] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The decrease (increase) in the net defined benefit liability (asset) resulting from payments from the plan in respect of settlements. [Refer: Decrease (increase) in net defined benefit liability (asset) resulting from gains (losses) arising from settlements; Net defined benefit liability (asset); Defined benefit plans [domain]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The fair value of defined benefit plan assets. Plan assets comprise assets held by a long-term employee benefit fund and qualifying insurance policies. [Refer: At fair value [member]] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The decrease (increase) in the net defined benefit liability (asset) resulting from the return on plan assets, excluding amounts included in interest income or expense. The return on plan assets is interest, dividends and other revenue derived from the plan assets, together with realised and unrealised gains or losses on the plan assets, less any costs of managing plan assets and less any tax payable by the plan itself, other than tax included in the actuarial assumptions used to measure the present value of the defined benefit obligation. [Refer: Plan assets [member]; Net defined benefit liability (asset); Actuarial assumptions [domain]; Increase (decrease) in net defined benefit liability (asset) resulting from interest expense (income)] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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